/* linuxuniversity.co — terminal aesthetic dark theme */

:root {
    --bg: #0d1117;
    --bg-elevated: #161b22;
    --bg-terminal: #010409;
    --border: #30363d;
    --border-subtle: #21262d;
    --text: #c9d1d9;
    --text-dim: #8b949e;
    --text-faint: #6e7681;
    --accent: #58a6ff;
    --accent-green: #3fb950;
    --accent-red: #f85149;
    --accent-yellow: #d29922;
    --accent-purple: #bc8cff;
    --prompt: #58a6ff;
    --success: #3fb950;
    --error: #f85149;
    --code-bg: #161b22;
    --font-mono: 'SF Mono', 'Monaco', 'Inconsolata', 'Fira Code', 'Courier New', monospace;
    --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
    background: var(--bg);
    color: var(--text);
    font-family: var(--font-sans);
    line-height: 1.6;
    font-size: 16px;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

code, pre { font-family: var(--font-mono); }

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ============ Header ============ */
.site-header {
    border-bottom: 1px solid var(--border);
    background: rgba(13, 17, 23, 0.95);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 100;
}
.site-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 16px;
    padding-bottom: 16px;
}
.logo {
    font-family: var(--font-mono);
    font-size: 18px;
    font-weight: 600;
}
.logo .prompt-char {
    color: var(--accent-green);
    margin-right: 6px;
}
.logo .dim { color: var(--text-faint); }

.site-header nav { display: flex; gap: 24px; align-items: center; }
.site-header nav a { color: var(--text-dim); }
.site-header nav a:hover { color: var(--text); text-decoration: none; }

.site-header.minimal .container { padding-top: 12px; padding-bottom: 12px; }

/* ============ Buttons ============ */
.btn {
    display: inline-block;
    padding: 8px 16px;
    border-radius: 6px;
    font-weight: 500;
    border: 1px solid transparent;
    cursor: pointer;
    font-size: 14px;
    text-decoration: none;
    transition: all 0.15s ease;
}
.btn-primary {
    background: var(--accent);
    color: #0d1117;
    border-color: var(--accent);
}
.btn-primary:hover { background: #79b8ff; text-decoration: none; }
.btn-secondary {
    background: transparent;
    color: var(--text-dim);
    border-color: var(--border);
}
.btn-secondary.disabled {
    opacity: 0.5;
    cursor: not-allowed;
}
.btn-ghost {
    background: transparent;
    color: var(--text-dim);
    border: 1px solid var(--border);
}
.btn-ghost:hover { color: var(--text); border-color: var(--text-dim); text-decoration: none; }
.btn-ghost.disabled { opacity: 0.3; pointer-events: none; }
.btn-lg { padding: 14px 28px; font-size: 16px; }

/* ============ Hero ============ */
.hero {
    padding: 80px 0 60px;
    text-align: center;
}
.hero h1 {
    font-size: 56px;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
    letter-spacing: -1px;
}
.hero .accent { color: var(--accent-green); }
.hero .lead {
    font-size: 20px;
    color: var(--text-dim);
    max-width: 640px;
    margin: 0 auto 40px;
}
.hero-cta {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    margin-bottom: 60px;
}
.cta-note { color: var(--text-faint); font-size: 14px; }

/* ============ Terminal demo ============ */
.terminal-demo {
    max-width: 700px;
    margin: 0 auto;
    background: var(--bg-terminal);
    border: 1px solid var(--border);
    border-radius: 8px;
    overflow: hidden;
    text-align: left;
}
.term-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    background: var(--bg-elevated);
    border-bottom: 1px solid var(--border-subtle);
}
.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}
.dot.red { background: #ff5f57; }
.dot.yellow { background: #febc2e; }
.dot.green { background: #28c840; }
.term-title {
    margin-left: 12px;
    color: var(--text-faint);
    font-family: var(--font-mono);
    font-size: 13px;
}
.terminal-demo pre {
    padding: 20px;
    margin: 0;
    color: var(--text);
    font-size: 14px;
    line-height: 1.6;
    overflow-x: auto;
}
.terminal-demo .prompt { color: var(--accent-green); margin-right: 8px; }
.terminal-demo .comment { color: var(--text-faint); }
.terminal-demo .flag { color: var(--accent-yellow); }
.terminal-demo .success { color: var(--success); }
.terminal-demo .dim { color: var(--text-faint); }

/* ============ Features ============ */
.features {
    padding: 80px 0;
    border-top: 1px solid var(--border-subtle);
}
.features h2 {
    font-size: 36px;
    text-align: center;
    margin-bottom: 60px;
}
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 32px;
}
.feature {
    padding: 24px;
    background: var(--bg-elevated);
    border: 1px solid var(--border-subtle);
    border-radius: 8px;
}
.feature-num {
    font-family: var(--font-mono);
    color: var(--accent-green);
    font-size: 14px;
    margin-bottom: 12px;
}
.feature h3 { font-size: 18px; margin-bottom: 8px; }
.feature p { color: var(--text-dim); font-size: 14px; }

/* ============ Missions preview ============ */
.missions-preview { padding: 80px 0; border-top: 1px solid var(--border-subtle); }
.missions-preview h2 { font-size: 36px; text-align: center; margin-bottom: 60px; }
.level-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}
.level {
    padding: 24px;
    background: var(--bg-elevated);
    border: 1px solid var(--border-subtle);
    border-radius: 8px;
}
.level.locked { opacity: 0.5; }
.level h3 { margin-bottom: 16px; font-size: 18px; display: flex; align-items: center; gap: 8px; }
.level ul { list-style: none; margin-bottom: 16px; }
.level ul li {
    padding: 6px 0;
    color: var(--text-dim);
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 8px;
}
.level ul li code {
    background: var(--code-bg);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 12px;
    color: var(--accent);
}
.level .done { color: var(--success); }
.level-note { color: var(--text-faint); font-size: 13px; }

.badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.badge-beginner { background: rgba(63, 185, 80, 0.15); color: var(--success); border: 1px solid rgba(63, 185, 80, 0.3); }
.badge-intermediate { background: rgba(210, 153, 34, 0.15); color: var(--accent-yellow); border: 1px solid rgba(210, 153, 34, 0.3); }
.badge-advanced { background: rgba(248, 81, 73, 0.15); color: var(--error); border: 1px solid rgba(248, 81, 73, 0.3); }

/* ============ Pricing ============ */
.pricing { padding: 80px 0; border-top: 1px solid var(--border-subtle); }
.pricing h2 { font-size: 36px; text-align: center; margin-bottom: 60px; }
.pricing .container {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 32px;
    max-width: 720px;
}
.pricing .container > h2 {
    flex: 1 0 100%;
    margin-bottom: 0;
}
.price-card {
    flex: 1 1 280px;
    max-width: 340px;
    padding: 32px;
    background: var(--bg-elevated);
    border: 1px solid var(--border-subtle);
    border-radius: 12px;
    text-align: center;
    display: flex;
    flex-direction: column;
}
.price-card.featured { border-color: var(--accent); }
.price-tier {
    font-family: var(--font-mono);
    color: var(--accent);
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 12px;
}
.price-amount {
    font-size: 48px;
    font-weight: 800;
    margin-bottom: 24px;
    min-height: 58px;
}
.price-amount span { font-size: 16px; color: var(--text-dim); font-weight: 400; }
.price-card ul {
    list-style: none;
    text-align: left;
    margin-bottom: 24px;
    flex-grow: 1;
}
.price-card ul li {
    padding: 8px 0;
    color: var(--text-dim);
    border-bottom: 1px solid var(--border-subtle);
    font-size: 14px;
}
.price-card ul li:last-child { border-bottom: none; }
.price-card .btn {
    align-self: stretch;
    margin-top: auto;
}

/* ============ Footer ============ */
.site-footer {
    padding: 40px 0;
    border-top: 1px solid var(--border-subtle);
    text-align: center;
    color: var(--text-dim);
}
.site-footer .dim { color: var(--text-faint); font-size: 13px; margin-top: 8px; }

/* ============ Play page ============ */
.play-page { background: var(--bg); }
.play-main { padding: 40px 0 80px; min-height: calc(100vh - 200px); }

.progress-bar { flex: 1; max-width: 500px; margin: 0 32px; }
.progress-text { font-size: 12px; color: var(--text-faint); margin-bottom: 6px; font-family: var(--font-mono); }
.progress-track {
    height: 6px;
    background: var(--bg-elevated);
    border-radius: 3px;
    overflow: hidden;
}
.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent-green), var(--accent));
    transition: width 0.4s ease;
}

.task-panel {
    padding: 32px;
    background: var(--bg-elevated);
    border: 1px solid var(--border-subtle);
    border-radius: 12px;
    margin-bottom: 24px;
}
.task-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
    font-family: var(--font-mono);
    font-size: 13px;
    color: var(--text-faint);
}
.task-xp { color: var(--accent-yellow); }
.task-id { color: var(--text-dim); }
.task-panel h1 {
    font-size: 28px;
    margin-bottom: 16px;
    font-weight: 700;
}
.task-prompt {
    color: var(--text);
    line-height: 1.7;
    white-space: pre-wrap;
}
.task-prompt strong { color: var(--accent-green); }
.task-prompt code {
    background: var(--code-bg);
    padding: 2px 6px;
    border-radius: 4px;
    color: var(--accent);
    font-size: 0.95em;
}

/* ============ Terminal ============ */
.terminal-wrap { margin-bottom: 24px; }
.terminal {
    background: var(--bg-terminal);
    border: 1px solid var(--border);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 8px 30px rgba(0,0,0,0.4);
}
.term-body {
    padding: 20px;
    min-height: 240px;
    max-height: 480px;
    overflow-y: auto;
    font-family: var(--font-mono);
    font-size: 14px;
    line-height: 1.7;
}
.output-line { margin-bottom: 6px; }
.output-line.user-cmd { color: var(--text); }
.output-line.user-cmd .prompt { color: var(--accent-green); margin-right: 8px; }
.output-line.success-line { color: var(--success); }
.output-line.error-line { color: var(--error); }
.output-line.hint-line { color: var(--text-faint); }
.output-line.info { color: var(--text-dim); }
.output-line.output pre {
    color: var(--text-dim);
    background: var(--code-bg);
    padding: 12px;
    border-radius: 6px;
    margin-top: 4px;
    overflow-x: auto;
    font-size: 13px;
}
.output-line.pending { color: var(--accent); animation: pulse 1s ease-in-out infinite; }
@keyframes pulse { 50% { opacity: 0.5; } }

.cmd-line {
    display: flex;
    align-items: center;
    padding: 16px 20px;
    background: var(--bg-elevated);
    border-top: 1px solid var(--border-subtle);
}
.cmd-line .prompt {
    color: var(--accent-green);
    margin-right: 12px;
    font-family: var(--font-mono);
    font-size: 16px;
    font-weight: 600;
}
#cmd-input {
    flex: 1;
    background: transparent;
    border: none;
    color: var(--text);
    font-family: var(--font-mono);
    font-size: 15px;
    outline: none;
    padding: 8px 0;
}
#cmd-input::placeholder { color: var(--text-faint); }
#cmd-input:focus { color: var(--text); }
.btn-run {
    background: var(--accent);
    color: var(--bg);
    border: none;
    padding: 6px 14px;
    border-radius: 4px;
    font-family: var(--font-mono);
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
}

.action-bar {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
}

.hint-box {
    margin-top: 16px;
    padding: 16px;
    background: rgba(210, 153, 34, 0.1);
    border: 1px solid rgba(210, 153, 34, 0.3);
    border-radius: 8px;
    color: var(--accent-yellow);
}

@media (max-width: 640px) {
    .hero h1 { font-size: 36px; }
    .hero .lead { font-size: 16px; }
    .features h2, .missions-preview h2, .pricing h2 { font-size: 28px; }
    .site-header .container { flex-wrap: wrap; gap: 12px; }
    .progress-bar { order: 3; max-width: 100%; margin: 12px 0 0 0; }
    .task-panel { padding: 20px; }
    .task-panel h1 { font-size: 22px; }
}

/* ============ Language switcher ============ */
.lang-switcher {
    display: inline-flex;
    gap: 4px;
    padding: 4px;
    background: var(--bg-elevated);
    border: 1px solid var(--border-subtle);
    border-radius: 8px;
    margin-right: 8px;
}
.lang-switcher.small {
    padding: 2px;
    margin-right: 12px;
}
.lang-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 28px;
    border-radius: 4px;
    text-decoration: none;
    font-size: 16px;
    transition: background 0.15s ease;
    color: var(--text-dim);
}
.lang-btn:hover {
    background: var(--border-subtle);
    color: var(--text);
    text-decoration: none;
}
.lang-btn.active {
    background: var(--accent);
    color: var(--bg);
}

/* ============ User progress banner ============ */
.user-progress-banner {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 10px 20px;
    margin-bottom: 24px;
    background: var(--bg-elevated);
    border: 1px solid var(--accent);
    border-radius: 8px;
    color: var(--text);
    font-family: var(--font-mono);
    font-size: 14px;
}
.user-progress-banner strong { color: var(--accent); }
.user-progress-banner .dim { color: var(--text-faint); }

/* ============ Congrats box (Beginner completed) ============ */
.congrats-box {
    margin-top: 24px;
    padding: 32px;
    background: linear-gradient(135deg, rgba(63, 185, 80, 0.1), rgba(88, 166, 255, 0.1));
    border: 1px solid var(--success);
    border-radius: 12px;
    text-align: center;
}
.congrats-box h2 {
    font-size: 28px;
    margin-bottom: 12px;
    color: var(--success);
}
.congrats-box p {
    margin-bottom: 20px;
    color: var(--text-dim);
}
#share-result {
    margin-top: 16px;
    padding: 16px;
    background: var(--bg-elevated);
    border-radius: 8px;
    font-family: var(--font-mono);
}
#share-result input {
    width: 100%;
    padding: 8px;
    margin-top: 8px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 4px;
    color: var(--text);
    font-family: var(--font-mono);
    font-size: 13px;
}
#share-result p { margin-bottom: 8px; }
#share-result .dim { color: var(--text-faint); font-size: 12px; margin-top: 4px; }

/* ============ Mission preview top-level topics ============ */
.level-topics {
    color: var(--text-dim);
    font-family: var(--font-mono);
    font-size: 13px;
    margin-bottom: 12px;
}
.free-tag {
    display: inline-block;
    padding: 3px 10px;
    background: rgba(63, 185, 80, 0.15);
    color: var(--success);
    border: 1px solid rgba(63, 185, 80, 0.3);
    border-radius: 12px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.badge-completed {
    background: rgba(63, 185, 80, 0.2);
    color: var(--success);
    border: 1px solid var(--success);
    margin-left: 8px;
}

/* ============ Share page ============ */
.share-main { padding: 80px 0; }
.share-error {
    text-align: center;
    padding: 60px 20px;
}
.share-error h1 {
    font-size: 48px;
    margin-bottom: 16px;
    color: var(--error);
}
.share-error p {
    color: var(--text-dim);
    margin-bottom: 24px;
}
.share-badge {
    max-width: 500px;
    margin: 0 auto;
    padding: 40px;
    background: linear-gradient(135deg, var(--bg-elevated), #1a2233);
    border: 1px solid var(--accent);
    border-radius: 16px;
    text-align: center;
    box-shadow: 0 12px 40px rgba(88, 166, 255, 0.15);
}
.badge-icon {
    font-size: 64px;
    margin-bottom: 16px;
}
.badge-level {
    font-size: 28px;
    font-weight: 800;
    margin-bottom: 24px;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 2px;
}
.badge-stats {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-bottom: 24px;
    padding: 20px 0;
    border-top: 1px solid var(--border-subtle);
    border-bottom: 1px solid var(--border-subtle);
}
.stat-value {
    font-family: var(--font-mono);
    font-size: 24px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 4px;
}
.stat-label {
    font-size: 12px;
    color: var(--text-faint);
    text-transform: uppercase;
    letter-spacing: 1px;
}
.badge-share-text {
    margin: 24px 0;
    padding: 12px;
    background: var(--bg);
    border-radius: 8px;
}
.badge-share-text code {
    color: var(--text-dim);
    font-size: 13px;
    word-break: break-all;
}

/* ============ Consent modal (centered overlay) ============ */
.consent-overlay {
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: rgba(0, 0, 0, 0.85);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}
.consent-overlay[hidden] {
    display: none !important;
}
.consent-modal {
    background: var(--bg-elevated);
    border: 1px solid var(--accent);
    border-radius: 16px;
    padding: 32px;
    max-width: 520px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.7);
    animation: consentModalIn 0.3s ease-out;
}
@keyframes consentModalIn {
    from { transform: scale(0.95) translateY(10px); opacity: 0; }
    to   { transform: scale(1) translateY(0); opacity: 1; }
}
.consent-modal-title {
    font-size: 22px;
    margin-bottom: 12px;
    color: var(--text);
    font-weight: 700;
}
.consent-modal-text {
    color: var(--text-dim);
    line-height: 1.5;
    margin-bottom: 20px;
    font-size: 14px;
}
.consent-modal-categories {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 20px;
}
.consent-cat {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 12px 14px;
    background: var(--bg);
    border: 1px solid var(--border-subtle);
    border-radius: 8px;
    cursor: pointer;
    transition: border-color 0.15s ease;
}
.consent-cat:hover {
    border-color: var(--text-dim);
}
.consent-cat input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--accent);
    cursor: pointer;
    margin-top: 2px;
    flex-shrink: 0;
}
.consent-cat input[type="checkbox"]:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}
.consent-cat strong {
    display: block;
    color: var(--text);
    font-size: 14px;
    margin-bottom: 2px;
}
.consent-cat p {
    color: var(--text-faint);
    font-size: 12px;
    line-height: 1.4;
    margin: 0;
}
.consent-modal-learn-more {
    color: var(--text-faint);
    font-size: 12px;
    text-align: center;
    margin-bottom: 20px;
}
.consent-modal-learn-more a {
    color: var(--text-dim);
    text-decoration: underline;
}
.consent-modal-learn-more a:hover {
    color: var(--accent);
}
.consent-modal-buttons {
    display: flex;
    gap: 12px;
    justify-content: stretch;
}
.consent-modal-buttons .btn {
    flex: 1;
    padding: 12px 20px;
    font-size: 15px;
    font-weight: 600;
    border-radius: 8px;
    cursor: pointer;
    border: 1px solid transparent;
}
.consent-modal-buttons .btn-primary {
    background: var(--accent);
    color: #0d1117;
}
.consent-modal-buttons .btn-primary:hover {
    background: #79b8ff;
}
.consent-modal-buttons .btn-ghost {
    background: transparent;
    color: var(--text-dim);
    border-color: var(--border);
}
.consent-modal-buttons .btn-ghost:hover {
    color: var(--text);
    border-color: var(--text-dim);
}

.consent-settings-link {
    color: var(--text-dim);
    font-size: 13px;
    text-decoration: none;
}
.consent-settings-link:hover {
    color: var(--accent);
}

@media (max-width: 640px) {
    .consent-modal { padding: 24px 20px; }
    .consent-modal-title { font-size: 18px; }
    .consent-modal-buttons { flex-direction: column; }
}

/* ============ Privacy page ============ */
.privacy-main { padding: 60px 0; min-height: calc(100vh - 200px); }
.privacy-content {
    max-width: 760px;
    margin: 0 auto;
    padding: 40px;
    background: var(--bg-elevated);
    border: 1px solid var(--border-subtle);
    border-radius: 12px;
}
.privacy-content h1 {
    font-size: 32px;
    margin-bottom: 8px;
    color: var(--text);
}
.privacy-updated {
    color: var(--text-faint);
    font-size: 13px;
    margin-bottom: 32px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-subtle);
}
.privacy-content section {
    margin-bottom: 28px;
}
.privacy-content h2 {
    font-size: 20px;
    margin-bottom: 12px;
    color: var(--accent);
    margin-top: 24px;
}
.privacy-content h3 {
    font-size: 15px;
    margin: 16px 0 8px 0;
    color: var(--text);
    font-weight: 600;
}
.privacy-content p {
    color: var(--text-dim);
    line-height: 1.7;
    margin-bottom: 12px;
}
.privacy-content ul {
    margin: 12px 0 16px 0;
    padding-left: 24px;
    color: var(--text-dim);
    line-height: 1.7;
}
.privacy-content li {
    margin-bottom: 6px;
}
.privacy-content em {
    color: var(--text-faint);
    font-style: italic;
}

@media (max-width: 640px) {
    .consent-banner {
        left: 8px;
        right: 8px;
        bottom: 8px;
        padding: 12px 16px;
    }
    .consent-banner-actions {
        flex-wrap: wrap;
        width: 100%;
    }
    .consent-modal-content { padding: 20px; }
    .privacy-content { padding: 24px; }
    .privacy-content h1 { font-size: 26px; }
}

/* ============ Profile page ============ */
.profile-main { padding: 40px 0 80px; min-height: calc(100vh - 80px); }
.profile-header {
    display: flex;
    align-items: center;
    gap: 24px;
    padding: 24px 32px;
    background: var(--bg-elevated);
    border: 1px solid var(--border-subtle);
    border-radius: 12px;
    margin-bottom: 24px;
}
.profile-avatar-large {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--accent);
    color: var(--bg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
    font-weight: 700;
    flex-shrink: 0;
}
.profile-info h1 {
    font-size: 22px;
    margin-bottom: 4px;
    word-break: break-all;
}
.profile-name {
    color: var(--text-dim);
    margin-bottom: 4px;
}
.profile-since, .profile-warning {
    color: var(--text-faint);
    font-size: 13px;
    margin: 0;
}
.profile-warning {
    color: var(--accent-yellow);
    margin-top: 4px;
}

.profile-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}
.stat-card {
    padding: 20px;
    background: var(--bg-elevated);
    border: 1px solid var(--border-subtle);
    border-radius: 8px;
    text-align: center;
}
.stat-card .stat-value {
    font-size: 28px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 4px;
}
.stat-card .stat-label {
    font-size: 12px;
    color: var(--text-faint);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.profile-levels {
    padding: 24px 32px;
    background: var(--bg-elevated);
    border: 1px solid var(--border-subtle);
    border-radius: 12px;
    margin-bottom: 24px;
}
.profile-levels h2 {
    font-size: 18px;
    margin-bottom: 16px;
}
.level-row {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 14px;
}
.level-row:last-child { margin-bottom: 0; }
.level-info {
    flex-shrink: 0;
    min-width: 140px;
    display: flex;
    align-items: center;
    gap: 8px;
}
.level-completed {
    color: var(--success);
    font-size: 12px;
    font-weight: 600;
}
.level-bar {
    flex: 1;
    height: 10px;
    background: var(--bg);
    border-radius: 5px;
    overflow: hidden;
}
.level-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent-green), var(--accent));
    transition: width 0.4s ease;
}
.level-count {
    flex-shrink: 0;
    min-width: 50px;
    text-align: right;
    color: var(--text-dim);
    font-family: var(--font-mono);
    font-size: 14px;
}

.profile-actions, .profile-danger {
    padding: 24px 32px;
    background: var(--bg-elevated);
    border: 1px solid var(--border-subtle);
    border-radius: 12px;
    margin-bottom: 24px;
}
.profile-actions h2, .profile-danger h2 {
    font-size: 18px;
    margin-bottom: 16px;
}
.profile-danger {
    border-color: var(--error);
}
.profile-danger h2 { color: var(--error); }
.action-buttons {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

/* Danger button */
.btn-danger {
    background: var(--error);
    color: #fff;
    border: 1px solid var(--error);
}
.btn-danger:hover { background: #ff6b62; border-color: #ff6b62; }
.btn-danger:disabled {
    background: var(--border);
    color: var(--text-faint);
    border-color: var(--border);
    cursor: not-allowed;
}

/* Delete confirm modal */
#delete-confirm-modal .consent-modal-content {
    max-width: 480px;
}
#delete-confirm-modal input[type="text"] {
    width: 100%;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 10px 14px;
    color: var(--text);
    font-family: var(--font-mono);
    font-size: 14px;
    margin: 8px 0 16px 0;
}
#delete-confirm-modal input[type="text"]:focus {
    outline: none;
    border-color: var(--error);
}

@media (max-width: 640px) {
    .profile-header { flex-direction: column; text-align: center; }
    .level-row { flex-wrap: wrap; }
    .level-info { min-width: 100%; }
}

/* ============ Auth pages ============ */
.auth-page { background: var(--bg); min-height: 100vh; }
.auth-main {
    padding: 80px 0;
    min-height: calc(100vh - 80px);
    display: flex;
    align-items: flex-start;
    justify-content: center;
}
.auth-card {
    max-width: 440px;
    width: 100%;
    margin: 0 auto;
    padding: 48px 40px;
    background: var(--bg-elevated);
    border: 1px solid var(--border-subtle);
    border-radius: 16px;
    box-shadow: 0 12px 40px rgba(0,0,0,0.5);
}
.auth-card h1 {
    font-size: 28px;
    margin-bottom: 8px;
    text-align: center;
    font-weight: 700;
}
.auth-card h1 + .auth-subtitle {
    text-align: center;
    color: var(--text-dim);
    font-size: 14px;
    margin-bottom: 32px;
}
.auth-form {
    display: flex;
    flex-direction: column;
    gap: 18px;
}
.auth-form label {
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.auth-form label span {
    font-size: 13px;
    color: var(--text-dim);
    font-weight: 500;
    letter-spacing: 0.2px;
}
.auth-form input {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 12px 14px;
    color: var(--text);
    font-size: 14px;
    font-family: var(--font-sans);
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.auth-form input:hover {
    border-color: var(--text-dim);
}
.auth-form input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(88, 166, 255, 0.15);
}
.auth-form input::placeholder {
    color: var(--text-faint);
}
.auth-form button[type="submit"] {
    margin-top: 12px;
    padding: 14px;
    font-size: 15px;
    font-weight: 600;
    border-radius: 8px;
}
.auth-divider {
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 24px 0;
    color: var(--text-faint);
    font-size: 12px;
}
.auth-divider::before,
.auth-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border-subtle);
}
.auth-error {
    background: rgba(248, 81, 73, 0.1);
    border: 1px solid rgba(248, 81, 73, 0.3);
    color: var(--error);
    padding: 12px 16px;
    border-radius: 8px;
    margin-bottom: 24px;
    font-size: 14px;
}
.auth-error p { margin: 4px 0; }
.auth-error p:first-child { margin-top: 0; }
.auth-error p:last-child { margin-bottom: 0; }
.auth-success {
    background: rgba(63, 185, 80, 0.1);
    border: 1px solid rgba(63, 185, 80, 0.3);
    color: var(--success);
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 24px;
    text-align: center;
}
.auth-success .success-icon {
    font-size: 36px;
    margin-bottom: 12px;
}
.auth-success p { margin: 6px 0; }
.auth-success .dim { color: var(--text-faint); font-size: 13px; }
.auth-info {
    background: rgba(88, 166, 255, 0.1);
    border: 1px solid rgba(88, 166, 255, 0.3);
    color: var(--accent);
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 24px;
    text-align: center;
}
.auth-links {
    margin-top: 28px;
    padding-top: 24px;
    border-top: 1px solid var(--border-subtle);
    text-align: center;
}
.auth-links p {
    margin: 10px 0;
    color: var(--text-dim);
    font-size: 14px;
}
.auth-links a { color: var(--accent); font-weight: 500; }
.auth-links a:hover { text-decoration: underline; }
.auth-links .secondary-link {
    display: block;
    margin-top: 16px;
    font-size: 13px;
    color: var(--text-faint);
}
.auth-links .secondary-link a {
    color: var(--text-dim);
    text-decoration: underline;
}
.auth-links .secondary-link a:hover { color: var(--accent); }

/* ============ User menu in header (when logged in) ============ */
.user-menu {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 4px 12px 4px 4px;
    background: var(--bg-elevated);
    border: 1px solid var(--border-subtle);
    border-radius: 20px;
    font-size: 13px;
    color: var(--text-dim);
}
.user-menu-avatar {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--accent);
    color: var(--bg);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 11px;
}
.user-menu a {
    color: var(--text-dim);
    text-decoration: none;
    margin-left: 4px;
}
.user-menu a:hover { color: var(--error); }